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Microsoft .NET Framework Insecure Library Loading Code Execution (MS12-074; CVE-2012-2519)


Check Point Reference: CPAI-2012-793
Date Published:
Source: Microsoft Security Bulletin MS12-074
Industry Reference(s): CVE-2012-2519
Protection Provided by: Security Gateway
  • R70
  • R71
  • R75
Who is Vulnerable?
Microsoft .NET Framework 1.0 Service Pack 3
Microsoft .NET Framework 1.1 Service Pack 1
Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.5
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4
Microsoft .NET Framework 3.5 on Windows Server
Vulnerability Description
A remote code execution vulnerability has been reported in the Microsoft .NET Framework.
Update/Patch Available
Apply patches from: MS12-074
Vulnerability Details
The vulnerability is due to an error in the way the Microsoft .NET Framework handles the loading of DLL files. A remote attacker can exploit this vulnerability by enticing a user to open a legitimate .NET application built with ADO.NET that is located in the same network directory as a specially crafted dynamic link library (DLL) file. Successful exploitation could allow an attacker to take complete control of an affected system.

Protection Overview
This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, Protection tab and select the version of your choice.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway R75 / R71 / R70

How Can I Protect My Network?

  1. In the IPS tab, click Protections and find the Microsoft .NET Framework Insecure Library Loading Code Execution (MS12-074) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:
Attack Name: Web Client Enforcement Violation
Attack Information: Microsoft .NET Framework Insecure Library Loading Code Execution (MS12-074)